<!DOCTYPE html>
<html lang="en">

<head>
    <meta charset="UTF-8">
    <meta http-equiv="X-UA-Compatible" content="IE=edge">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Document</title>
</head>

<body>
    <script>
        console.log(0B11);
        console.log(0o12);
        let a = 11;
        //将10进制转换为2进制
        console.log(a.toString(2));
    </script>
</body>

</html>